Boozy science: molecular fingerprinting can tell the difference between rum and cachaça.

If you don’t know what rum is, it’s probably time you get out of that hole you’ve been living in. But not everyone is as familiar with cachaça, a related liquor popular in Brazil. Like rum, it comes in both light and dark barrel-aged varieties, but instead of being made from molasses (as are most rums), cachaça is made from whole sugarcane juice. However, because some rums are also made from sugarcane juice, and historically cachaça has been called “Brazilian rum”, there is plenty of room fo